问题
Given the following expression, how can I use = to be more concise and explicit?
(//h2/@id[contains(.,"foo") or contains(.,"bar") or contains(.,"baz"))[last()]
Here's what I tried, but my interpreter says it's not valid:
(//h2/@id[text() = ("foo", "bar", "baz")])[last()]
I cannot use contains() because I need to guard against substring matches. I'm using XPath 1.0 and an answer to a related question is the impetus for this question.
回答1:
In XPath 2.0,
//h2[@id = ("foo", "bar", "baz")][last()]
would select the last h2 element in the document with an id attribute value of foo, bar, or baz.
In XPath 1.0, you'd use explicit boolean or operators:
//h2[@id="foo" or @id="bar" or @id="baz"][last()]
来源：https://stackoverflow.com/questions/46503195/xpath-one-of-multiple-attribute-values-with-condition